ASHUN液控单向阀常规型号参考:PCV-03G-05-10 , PCV-03G-05-D-10 , PCV-03G-50-10 , PCV-03G-50-D-10 , PCV-03T-05-10 , PCV-03T-05-D-10 , PCV-03T-50-10 , PCV-03T-50-D-10 , PCV-04T-05-10 , PCV-04T-05-D-10 , PCV-04T-50-10 , PCV-04T-50-D-10